package com.yq.design.command;

/**
 * @ClassName Light
 * @Description TODO
 * @Author yaoqiang
 * @Date 2021/8/20 15:35
 * @Version 1.0
 */
public class Light {
    public void on(){
        System.out.println("light   on");
    }

    public void off(){
        System.out.println("light   off");
    }

}
